RTKL was a global architecture, planning and design firm. The firm was founded in 1946 by Archibald C. Rogers and Francis T. Taliaferro in Rogers’ grandmother’s basement in Annapolis and grew to be one of the largest architectural firms in the world prior to its acquisition by Arcadis NV in 2007. In October 2015, RTKL was formally merged with another Arcadis subsidiary, Seattle-based Callison, to form CallisonRTKL headquartered in Baltimore. The firm's name, RTKL, originated from the initials of its initial members, Rogers, Taliaferro, Kostritsky, and Lamb. More information...
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